# encoding:utf-8
from baike_spider.baidubaiKecrawler import html_outputer, html_parser, html_downloader, url_manager


class SpiderMain(object):
    def __init__(self):
        self.urls= url_manager.UrlManager()
        self.downloader = html_downloader.HtmlDownloader()
        self.parser = html_parser.HtmlParser()
        self.outputer = html_outputer.HtmlOutputer()

    def crawl(self, root_url):
        count = 1
        self.urls.add_new_url(root_url)
        while self.urls.has_new_url():
            try:
                new_url = self.urls.get_new_url()
                print 'crawl %d : %s' %(count,new_url)
                html_content = self.downloader.download(new_url)
                new_urls, new_data = self.parser.parse(new_url,html_content)
                self.urls.add_new_urls(new_urls)
                self.outputer.collect_data(new_data)

                if count == 1000:
                    break

                count = count + 1
            except:
                print 'crawl failed'
        self.outputer.output_html()

if __name__ == "__main__":
    root_url = "https://baike.baidu.com/item/Python/407313?fr=aladdin"
    obj_spider = SpiderMain()
    obj_spider.crawl(root_url)